Convert HEIF to AVIF
Free HEIF to AVIF converter. Keeps transparency. No signup, and your files are deleted after 1 hour.
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Maximum file size: 100 MB per file
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How to convert HEIF to AVIF
Quick answer: To convert HEIF to AVIF: upload your HEIF file, choose AVIF as the output format, click Convert and download the result. It takes a few seconds, needs no account, and your files are deleted from the server after 1 hour.
- Upload your HEIF file by clicking the upload area, dragging it in, or pasting an image URL.
- Select AVIF as the output format.
- Click Convert and wait a few seconds.
- Download your AVIF file, or download several files at once as a ZIP.
What changes when you convert HEIF to AVIF
- Both formats support transparency, so see-through areas stay transparent.
- HEIF is lossy and AVIF is not. The conversion cannot bring back detail that HEIF already discarded, so the file can grow without looking better.
HEIF vs AVIF at a glance
| Feature | HEIF | AVIF |
|---|---|---|
| Full name | HEIF (High Efficiency Image File Format) | AVIF (AV1 Image File Format) |
| Introduced | 2015 | 2019 |
| Compression | Lossy | Lossy or lossless |
| Transparency | Yes | Yes |
| Animation | No | No |
| Best for | Compact, high-quality photos on devices that support it | The smallest possible web images at high quality |
| Compatibility | Native on Apple devices; limited elsewhere. | Supported by current Chrome, Firefox, Safari and Edge; older software cannot open it. |
When to choose AVIF instead of HEIF
Choose AVIF for the smallest possible web images at high quality. Its main limit: older software cannot open it and it is slow to create.
Stay with HEIF if you need compact, high-quality photos on devices that support it.
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HEIF to AVIF FAQ
How do I convert HEIF to AVIF?
Upload your HEIF file, select AVIF as the output format and click Convert. When it finishes, download the AVIF file. No software or account is needed, and your files are deleted after 1 hour.
Does converting HEIF to AVIF reduce quality?
The conversion itself adds no new loss, but HEIF already discarded some detail, and AVIF cannot restore it.
Is transparency kept when converting HEIF to AVIF?
Yes. Both HEIF and AVIF support transparency, so see-through areas are preserved.
Will the AVIF file be smaller than the HEIF?
File sizes are usually similar.
Where can I open a AVIF file?
Supported by current Chrome, Firefox, Safari and Edge; older software cannot open it.
Is it free and safe to convert HEIF to AVIF here?
Yes. It is free for up to 20 files per day and 100 MB per file, with no sign-up. Files are processed on our server, never shared, and deleted automatically after 1 hour.
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